MP26057- 28V, 1A LINEAR LI-ION TRAVEL CHARGER WITH TRICKLE CHARGE AND TIMER

MP26057 Rev. 0.91

www.MonolithicPower.com

2

1/25/2010

MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited.

© 2010 MPS. All Rights Reserved.

PACKAGE REFERENCE

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Part Number*

Package

Temperature

MP26057DQ

QFN10

(3mm x 3mm)

–40

°C to +85°C

For RoHS compliant packaging, add suffix –LF

(eg. MP26057DQ–LF–Z)

IN to GND .................................... –0.3V to +28V

All Other Pins to GND................. –0.3V to +6.5V

Junction Temperature...............................140

°C

Lead Temperature ....................................260

°C

Storage Temperature ..............–65°C to +150

°C

Recommended Operating Conditions

(2)

Operating Temperature .............–40

°C to +85°C

Thermal Resistance

(3)

3x3 QFN10 ............................. 50 ...... 12...

°C/W

Notes:

1) Exceeding these ratings may damage the device.

2) The device is not guaranteed to function outside of its

operating conditions.

3) Measured on JEDEC51-7 4 layer board..

ELECTRICAL CHARACTERISTICS

Parameter

Symbol Condition

Min

Typ

Max

Units

Supply Current

140

µA

Battery Voltage Regulation

4.16

4.20

4.24

V

Constant Current

Regulation

452

515

582

mA

Constant Current Variation

87

100

113

(4)

Trickle Current

5

10

15

(4)

Trickle Threshold Voltage

2.45

2.6

2.75

V

Trickle Voltage Hysteresis

100

mV

IBF Accuracy

75

125

(5)

Input OVP

6.8

7

7.2

V

OVP Hysteresis

400

mV

Input UVLO

2.5

3

3.5

V

UVLO Hysteresis

100

mV

GRN and RED Over

Voltage Clamp

7.6

V